How severe is CVE-2022-43406?

CVE-2022-43406 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-43406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43406?

CVE-2022-43406 affects Jenkins Groovy Libraries. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-43406?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-43406 published?

CVE-2022-43406 was published on 2022-10-19 and last updated on 2026-06-17.

CVE-2022-43406

CVE-2022-43406 is a critical-severity vulnerability in Jenkins Groovy Libraries with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jenkins Groovy Libraries
Published: 2022-10-19
Last modified: 2026-06-17

Description

A sandbox bypass vulnerability in Jenkins Pipeline: Deprecated Groovy Libraries Plugin 583.vf3b_454e43966 and earlier allows attackers with permission to define untrusted Pipeline libraries and to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Frequently asked questions

What is CVE-2022-43406?: A sandbox bypass vulnerability in Jenkins Pipeline: Deprecated Groovy Libraries Plugin 583.vf3b_454e43966 and earlier allows attackers with permission to define untrusted Pipeline libraries and to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.
How severe is CVE-2022-43406?: CVE-2022-43406 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-43406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43406?: CVE-2022-43406 affects Jenkins Groovy Libraries. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-43406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-43406 published?: CVE-2022-43406 was published on 2022-10-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:groovy_libraries:*:*:*:*:*:jenkins:*:*

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